Learn how to illuminate a scene with a spherical panorama.
- [Instructor] The Arnold SkyDome provides a uniform,…suffuse illumination that can be mapped…with a high dynamic range image.…This is the preferred method…of image-based lighting in Arnold.…Material emission, the Arnold Mesh Light,…and the ai sky environment can also be used for IBL,…but they are not optimized for that purpose.…The SkyDomeLight produces much less grainy results…at lower sample rates.…
The SkyDomeLight works best…for exterior shots or studio renderings.…If you're lighting an interior with natural daylight,…don't use a SkyDome, use area lights over the windows.…Once again, this is to optimize sampling…to reduce grain artifacts.…The SkyDomeLight excels at the suffuse light from the sky,…but we usually need to add a direct light for the sun.…Even if the IBL image has a physically accurate sun disk…burned in, the SkyDome still won't produce…sufficient direct light, nor hard shadows.…
In this scene, I have a Maya directional light.…It's set up and rotated to match the SkyDome…and the background, and later we'll see…
AuthorAaron F. Ross
- Arnold rendering concepts
- Lighting with Maya and Arnold lights
- Controlling exposure
- Filtering light with Barndoor and Gobo
- Light attenuation with decay
- Image-based lighting with SkyDome
- Exterior daylight with Physical Sky
- Arnold standard material attributes
- Mapping material attributes
- Rendering refractions
- Mesh subdivision and displacement at render time
- Shading effects such as ambient occlusion and vertex color
- Camera effects such as fisheye and depth of field
- Animation image sequence rendering
Skill Level Intermediate
Rendering refraction4m 56s
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